Playtime with Amazon’s Search Engine and Selling Prompts by Jason Matthews explains how employing keywords, individual words or short phrases that can be part of your title, subtitle, categories, and more can help readers find your book.

Why?
"Writers change the world one reader at a time. But you can't change the world with a book that's still on your hard drive or in a box under your bed. This blog exists to help you get that book into people's hands."—Joel Friedlander